A Few Tips to Receive Best Coolant Filtration Systems Barnes International, Inc. July 11, 2017 Coolant Filtration Systems Coolant filtration systems are manufactured to remove contaminants from oil, water or coolant to extend the life of the customers machine tool. Barnes International engineering group will work with our customers to design and build a machine in house from start to finish that will be a perfect fit for their application. Barnes family of filtration systems offer coolant filtration machines as small as 10 GPM for individual machines to total plant systems as large as 20,000 GPM. Barnes is committed to manufacturing the highest quality filtration systems at the lowest cost to our customers and to meet or exceed their expectations. Remember, choosing a quality filtration system that meets your needs is not an easy job, as you need to know all the specifications of the product. Barnes group will be with you every step of the way from first inquiry to installation.